Piston pin



March 4, 1930.

W. E. FENNEL, JR

PISTON PIN Filed May 7. 1928'- ln-ventar 1 2 77261, Jr:

" 1o dis prbvjed "p'stpn pinbgns'trnctd tq permit? faces "are formefi with sggh isphericgl niyer'sa j b ll and s x kt co n m ni q be e $s, wh h qp r i pr' iin cm had bepxigen the piston head and the cfapk plgt'e 'sphgrical sbpket for. repeptionb the ball shaft col'mgc't ir ig rqd; I aware that it i oi1i1tcOI nect6r 9L The'sctio'x i 11 'is'igrbvidgd.

h Present i n i n r l e o n 1 1* spos d bu t ng relat o and th d ac t a'desir bl e fl xib lity oif a tib i th Jig a e n Wire '5 f pp p'x ate' h aidt l' 139 41@gdl wfifalldw nsyre.,.tter s uct o'n' as ated the ewifl; t gua g I 1 W P ing screw for one section to render it relatively stationary with respect to the complemental section, said core sections having their adjacent portions provided with opposed 5 semi spherical recesses forming a ball socket, a coil spring arranged in said cylinder and in contact with the relatively moveable core section, and a screw plug threaded into the screw threaded end portion of the cylinder and en- 10 gaging said spring.

In testimony whereof I aflix my signature.

WILLIAM E.'FENNEL, JR. 

